Which physical findings are characteristic of Kaposi sarcoma (KS)?

Updated: Apr 11, 2019
  • Author: Jessica Katz, MD, PhD, FACP; Chief Editor: Edwin Choy, MD, PhD  more...
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See the list below:

  • Cutaneous lesions may occur at any location but typically are concentrated on the lower extremities and the head and neck region.

  • Lesions may have macular, papular, nodular, or plaquelike appearances.

  • Nearly all lesions are palpable and nonpruritic.

  • Lesions may range in size from several millimeters to several centimeters in diameter.

  • Lesions may assume a brown, pink, red, or violaceous color and may be difficult to distinguish in dark-skinned individuals.

  • Lesions may be discrete or confluent and typically appear in a linear, symmetric distribution, following Langer lines.

  • Mucous membrane involvement is common (palate, gingiva, conjunctiva). Ulcerated or bulky tumor involvement may interfere with speech or mastication.

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